I have a data set with 2 date fields (Format: 2019-02-11 03:39:10)
My aim is to take the difference between the dates (in days) and store it in a separate column.
I've tried using the date difference formula but it doesn't seem to work.
Glad to hear that you were able to resolve it yourself! You indeed will want to make sure that your dates are parsed appropriately before using these columns in a prepare recipe for date or time operations.